CN222893641U - Steel reinforcement cage positioning device for bored pile - Google Patents

Abstract

The utility model belongs to the technical field of foundation engineering construction, and particularly relates to a reinforcement cage positioning device for a bored pile, which comprises an assembly bracket and a cross arm; the assembly bracket comprises a supporting frame and a movable frame, wherein the supporting frame is supported on the periphery and the top of a sheath for accommodating a reinforcement cage, the movable frame is arranged on the inner side of the supporting frame, the movable frame can horizontally move between the supporting frame and the reinforcement cage, a plurality of ejector rods are further arranged on the supporting frame and uniformly distributed on the outer side of the movable frame along the radial direction, the ejector rods are in threaded connection with the supporting frame, a hand wheel connected with the outer side end of each ejector rod is arranged at the outer side end of each ejector rod, the inner side end of each ejector rod is abutted with the movable frame, a plurality of cross arms penetrate through the reinforcement cage, two ends of each cross arm are erected on the movable frame, and finally the positions of the reinforcement cage in the sheath are adjusted by movement of the movable frame. The horizontal position of the reinforcement cage can be flexibly adjusted manually without large machinery.

Description

Steel reinforcement cage positioning device for bored pile

Technical Field

The utility model belongs to the technical field of foundation engineering construction, and particularly relates to a reinforcement cage positioning device for a bored pile.

Background

The bored pile is a pile which is made by forming pile holes in foundation soil by mechanical drilling means on an engineering site, placing a reinforcement cage therein and pouring concrete. In the construction process, after the sheath is arranged in the drill hole, the steel reinforcement cage needs to be placed in the middle of the sheath, but the steel reinforcement cage generally enters the sheath through hoisting and then is supported and fixed on the sheath through the cross arm, and in the process, the steel reinforcement cage is difficult to manually adjust the position of the steel reinforcement cage due to heavy weight, and the welding operation between two adjacent sections of steel reinforcement cages and the assembly position adjustment operation of the steel reinforcement cage all become difficulties in construction.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a reinforcement cage positioning device for a bored pile, which can manually adjust the horizontal position of a reinforcement cage without large machinery.

The present utility model has been achieved in such a way that,

A reinforcement cage positioning device for a bored pile comprises an assembly bracket and a cross arm;

The assembly bracket comprises a support frame and a movable frame, wherein the support frame is supported on the periphery and the top of a sheath for accommodating a reinforcement cage, the movable frame is arranged on the inner side of the support frame, the movable frame can horizontally move between the support frame and the reinforcement cage, and particularly, a plurality of ejector rods are also assembled on the support frame and uniformly distributed on the outer side of the movable frame along the radial direction;

The cross arms penetrate through the reinforcement cages, two ends of the cross arms are erected on the movable frame, and finally the positions of the reinforcement cages in the jackets are adjusted by utilizing the movement of the movable frame.

Further, the support frame comprises support legs which are arranged around the sheath in a supporting mode, and the bottoms of the support legs are pressed on the ground through a horizontal support panel.

Further, the support frame also comprises annular horizontal hanging frames arranged at the tops of all support legs, and a round abdicating hole corresponding to the assembly position of the reinforcement cage is arranged at the center of each horizontal hanging frame, and the diameter of the abdicating hole is larger than that of the reinforcement cage.

Furthermore, the movable frame is round and horizontally arranged in the supporting frame, and the left side and the right side of the top of the movable frame are movably connected with the supporting frame through hoisting components.

Furthermore, the hoisting assembly adopts a steel wire rope, and hanging rings connected with the steel wire rope are respectively arranged on the supporting frame and the movable frame.

Further, a bayonet which is clamped with the movable frame is arranged at the bottom of the cross arm.

Further, the ejector rods are in one-to-one correspondence with the supporting legs and are in threaded connection.

Further, the movable frame is provided with positioning holes corresponding to the ejector rods one by one, and the positioning holes are used for accommodating the inner side end parts of the ejector rods.

Further, a top plate is welded and fixed on the movable frame, and the top plate is provided with the positioning hole.

The utility model has the advantages and technical effects that:

The steel reinforcement cage positioning device is reasonable in structural design, the support frame is used as an external main body through the assembly frame formed by the support frame and the movable frame when the steel reinforcement cage positioning device is used, so that free assembly of the movable frame is realized, the steel reinforcement cage and the movable frame are formed into a whole through the cross arm, lifting of the steel reinforcement cage is facilitated, and the position of the steel reinforcement cage in the jacket is adjusted through moving the movable frame, so that the moving effect can be achieved easily through manual work without additional large mechanical equipment, convenience is provided for installation and adjustment of the steel reinforcement cage, construction is easy, and engineering construction efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model (without support frame).

Fig. 3 is a schematic view of the structure of the top surface of the movable frame.

Fig. 4 is a schematic view of the structure of the bottom surface of the movable frame.

Fig. 5 is a schematic view of a portion of the top plate.

Fig. 6 is a schematic structural view of a cross arm.

In the figure, a supporting frame 100, a hoisting component 101, a supporting panel 102, a push rod 200, a hand wheel 201, a cross arm 301, a movable frame 302, a lifting ring 303, a top plate 304, a positioning hole 305, a bayonet 306, a steel reinforcement cage 400 and a sheath 500 are arranged.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model discloses a reinforcement cage positioning device for a bored pile, which comprises an assembly bracket and cross arms, wherein the assembly bracket comprises a supporting frame 100 and a movable frame 302, the supporting frame 100 is supported on the periphery and the top of a sheath and is used as a supporting part of the whole positioning device, the movable frame 302 is arranged on the inner side of the supporting frame 100, the movable frame 302 can horizontally move between the supporting frame 100 and the reinforcement cage, a plurality of cross arms 301 penetrate through the reinforcement cage 400, two ends of each cross arm are erected on the movable frame 302, and finally the movable frame 302 supports the reinforcement cage 400, so that the position of the reinforcement cage 400 in the sheath is adjusted by utilizing the effect of moving convenience of the movable frame 302, and in addition, the reinforcement cage 400 is integrally hoisted through the movable frame, so that construction is easy, and engineering construction efficiency is improved.

The following describes the specific implementation structure of the support frame 100 and the movable frame 302 described above.

The supporting frame 100 is made of metal profiles by welding, the side surfaces and the top surfaces of the supporting frame are hollow structures, and the surfaces of the supporting frame are free from shielding, so that the entering and the exiting of workers, matched components and tools are easy to realize;

Preferably, the supporting frame 100 includes supporting legs supported around the sheath, and the bottoms of the supporting legs are pressed against the ground by the horizontal supporting panel 102, so that the supporting frame 100 has a good supporting foundation and is prevented from being displaced or inclined during the operation.

Preferably, the support frame 100 further includes an annular horizontal hanger provided at the top of all support legs, and a circular abdication hole corresponding to the assembly position of the reinforcement cage 400 is provided at the center of the horizontal hanger, and the diameter of the abdication hole is larger than that of the reinforcement cage for the reinforcement cage 400 to be vertically assembled.

Preferably, the movable frame 302 is formed by processing a metal section into a round shape, the movable frame 302 is positioned in the support frame 100 and is horizontally distributed as a whole, the left and right sides of the top of the movable frame 302 are movably connected with the support frame 100 through the hoisting components 101, more preferably, the hoisting components 101 are steel wire ropes, and hanging rings 303 connected with the steel wire ropes are respectively arranged on the support frame 100 and the movable frame 302, so that the movable frame 302 can be adjusted in the horizontal direction through the hoisting components 101.

Preferably, in order to achieve a relatively stable assembly effect of the cross arm 301 and the support frame 100, a bayonet 306 is provided at the bottom of the cross arm 301, and the movable frame 302 is located in the bayonet 306, so that the cross arm 301 and the movable frame 302 are stably matched, and a safety accident of falling off is not generated.

On the basis of the assembly structure, in order to achieve stability and operability of the moving effect of the reinforcement cage 400, the support frame 100 is further provided with ejector rods 200 corresponding to the support legs in a one-to-one mode, the ejector rods 200 are uniformly distributed on the outer side of the movable frame 302 in the radial direction, the ejector rods 200 are in threaded connection with the support legs, meanwhile, the outer side end portions of the ejector rods 200 are provided with hand wheels 201 connected with the hand wheels, the ejector rods 200 can be easily rotated through the hand wheels 201 to enable the ejector rods 200 to move forwards and backwards along the axial direction, the inner side end portions of the ejector rods 200 are abutted to the movable frame 302 and move the movable frame 302, in order to achieve the purpose, the movable frame 302 is provided with positioning holes 305 corresponding to the ejector rods 200 in a one-to-one mode, the positioning holes 305 are used for accommodating the inner side end portions of the ejector rods 200 and guaranteeing stable contact of the ejector rods 200, so that the movable frame 302 can be abutted against the movable frame 302 to move, in order to guarantee structural stability of the movable frame 302, and the top plates 304 are fixedly welded on the bottom surface of the movable frame 302, and the positioning holes 305 are arranged on the top plates 304, so that the top plates 304 are contacted with the movable frame 302, and the main body structure of the movable frame 302 is kept.

Working principle:

Before adjusting the position, the steel reinforcement cage is hung into the sheath through the supporting frame by the lifting equipment, after the steel reinforcement cage is put into place, the positioning device of the technical scheme is installed, at least two cross arms penetrate through the steel reinforcement cage, two ends of each cross arm are clamped on the movable frame, the position of the steel reinforcement cage in the sheath is adjusted by rotating the corresponding ejector rod, the lifting equipment is removed at the same time, and after the steel reinforcement cage is welded, the positioning device is removed for subsequent construction.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. A reinforcement cage positioning device for bored piles, characterized in that it comprises an assembly bracket and a cross arm; The assembly bracket includes a support frame and a movable frame; the support frame is supported around and on the top of a sheath for accommodating a steel cage; the movable frame is arranged inside the support frame; The movable frame can move horizontally between the support frame and the steel cage; specifically, a plurality of push rods are mounted on the support frame, and the push rods are evenly distributed radially on the outside of the movable frame; the push rods are threadedly connected to the support frame, and a hand wheel connected to the push rods is provided at the outer ends of the push rods; the inner ends of the push rods are in contact with the movable frame; A plurality of cross arms pass through the steel cage and both ends of the cross arms are placed on a movable frame, and finally the position of the steel cage in the sheath is adjusted by moving the movable frame. 2. The reinforcement cage positioning device for bored piles as described in claim 1 is characterized in that: the support frame includes support legs supported around the sheath, and the bottom of the support legs is pressed on the ground through a horizontal support panel. 3. The steel cage positioning device for bored cast-in-place piles as described in claim 2 is characterized in that: the support frame also includes an annular horizontal hanger arranged on the top of all support legs, and a circular clearance hole corresponding to the assembly position of the steel cage is provided at the center of the horizontal hanger, and the diameter of the clearance hole is larger than the diameter of the steel cage. 4. The steel cage positioning device for bored cast-in-place piles as described in claim 1 is characterized in that: the movable frame is circular and horizontally arranged inside the supporting frame; the left and right sides of the top of the movable frame are movably connected to the supporting frame through a lifting assembly. 5. The reinforcement cage positioning device for bored piles as claimed in claim 4 is characterized in that: the lifting assembly adopts a steel wire rope, and lifting rings connected to the steel wire rope are respectively provided on the support frame and the movable frame. 6. The reinforcement cage positioning device for bored piles as claimed in claim 1, characterized in that a snap-in socket for snapping with the movable frame is provided at the bottom of the cross arm. 7. The reinforcement cage positioning device for bored piles as claimed in claim 1, characterized in that the top rods correspond to the support legs one by one and are threadedly connected. 8. The reinforcement cage positioning device for bored piles as described in claim 7 is characterized in that positioning holes corresponding to the mandrels are provided on the movable frame, and the positioning holes are used to accommodate the inner ends of the mandrels. 9. The reinforcement cage positioning device for bored piles according to claim 8, characterized in that a top plate is welded and fixed on the movable frame, and the positioning holes are provided on the top plate.